538664732 has 12 divisors (see below), whose sum is σ = 943067160. Its totient is φ = 269216976.

The previous prime is 538664723. The next prime is 538664767. The reversal of 538664732 is 237466835.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17882 + ... + 37377.

It is an arithmetic number, because the mean of its divisors is an integer number (78588930).

Almost surely, 2^538664732 is an apocalyptic number.

It is an amenable number.

538664732 is a deficient number, since it is larger than the sum of its proper divisors (404402428).

538664732 is a wasteful number, since it uses less digits than its factorization.

538664732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57700 (or 57698 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 538664732 is about 23209.1519017822. The cubic root of 538664732 is about 813.6535319177.

The spelling of 538664732 in words is "five hundred thirty-eight million, six hundred sixty-four thousand, seven hundred thirty-two".